| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.13 | 2.09 | 0.04 |
| Feb | 1.93 | 1.89 | 0.04 |
| Mar | 2.56 | 2.63 | -0.07 |
| Apr | 3.85 | 3.80 | 0.05 |
| May | 4.45 | 4.43 | 0.02 |
| Jun | 4.49 | 4.39 | 0.10 |
| Jul | 4.16 | 4.07 | 0.09 |
| Aug | 3.68 | 3.44 | 0.24 |
| Sep | 3.05 | 2.99 | 0.06 |
| Oct | 3.12 | 3.25 | -0.13 |
| Nov | 2.90 | 2.78 | 0.12 |
| Dec | 2.11 | 2.22 | -0.11 |
38.43 | 37.98 | 0.45 |